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Finding the Fourth Proportional to 10,831.85, 14,947.99 and 5,863.85

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Solution

The fourth proportional to 10,831.85, 14,947.99 and 5,863.85 is: 8,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.85 : 14,947.99 = 5,863.85 : x
  2. Step 2: Convert to fraction form
    10,831.85/14,947.99 = 5,863.85/x
  3. Step 3: Cross multiply
    10,831.85x = 14,947.99 × 5,863.85
  4. Step 4: Simplify right side
    10,831.85x = 87,652,771.16
  5. Step 5: Solve for x
    x = 87,652,771.16/10,831.85
  6. Step 6: Final answer
    x = 8,092.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.